| Brad Epperly | Ames Chamber of Commerce | Supporting | GA89 |
| Dustin Miller | Ames Chamber of Commerce | Supporting | GA89 |
| Barbra Solberg | Cedar Rapids Metro Economic Alliance | Supporting | GA89 |
| Gary Grant | Cedar Rapids Metro Economic Alliance | Supporting | GA89 |
| Gary Grant | Cedar Rapids Metro Economic Alliance | Withdrawn | GA89 |
| Gary Grant | Cedar Rapids Metro Economic Alliance | Undecided | GA89 |
| Drew Kamp | Council Bluffs Chamber of Commerce | Supporting | GA89 |
| Andrea Woodard | Greater Des Moines Partnership | Supporting | GA89 |
| Brad Epperly | Greater Des Moines Partnership | Supporting | GA89 |
| Dustin Miller | Greater Des Moines Partnership | Supporting | GA89 |
| John Davis | Iowa Association of Business and Industry (ABI) | Supporting | GA89 |
| Michael Ralston | Iowa Association of Business and Industry (ABI) | Supporting | GA89 |
| Nicole Crain | Iowa Association of Business and Industry (ABI) | Supporting | GA89 |
| Mike Rozenboom | Iowa Bankers Association | Supporting | GA89 |
| Mike Rozenboom | Iowa Bankers Association | Undecided | GA89 |
| Sharon Presnall | Iowa Bankers Association | Supporting | GA89 |
| Sharon Presnall | Iowa Bankers Association | Undecided | GA89 |
| David Adelman | Iowa Biotechnology Association | Supporting | GA89 |
| Frank Chiodo | Iowa Biotechnology Association | Supporting | GA89 |
| Jessica Hyland | Iowa Biotechnology Association | Supporting | GA89 |
| Matt Hinch | Iowa Biotechnology Association | Supporting | GA89 |
| Sara Allen | Iowa Biotechnology Association | Supporting | GA89 |
| Brad Epperly | Iowa Chamber Alliance | Supporting | GA89 |
| Dustin Miller | Iowa Chamber Alliance | Supporting | GA89 |
| Deanna Triplett | Iowa Economic Development Authority | Supporting | GA89 |
| Brad Epperly | Iowa Society of Certified Public Accountants | Undecided | GA89 |
| Dustin Miller | Iowa Society of Certified Public Accountants | Undecided | GA89 |
| Amy Campbell | Professional Developers of Iowa (PDI) | Supporting | GA89 |
| Craig Patterson | Professional Developers of Iowa (PDI) | Supporting | GA89 |
| Rachael Anderson | Quad Cities Chamber of Commerce | Supporting | GA89 |
| Sydney Gangestad | Technology Association of Iowa | Supporting | GA89 |
| Tim Coonan | Technology Association of Iowa | Supporting | GA89 |
| Kate Walton | Weinberg Investments, Inc. | Undecided | GA89 |
| Matt Eide | Weinberg Investments, Inc. | Undecided | GA89 |